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Finding the Fourth Proportional to 624,574.85, 936,288.21 and 225,117.86

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Solution

The fourth proportional to 624,574.85, 936,288.21 and 225,117.86 is: 337,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,574.85 : 936,288.21 = 225,117.86 : x
  2. Step 2: Convert to fraction form
    624,574.85/936,288.21 = 225,117.86/x
  3. Step 3: Cross multiply
    624,574.85x = 936,288.21 × 225,117.86
  4. Step 4: Simplify right side
    624,574.85x = 210,775,198,178.43
  5. Step 5: Solve for x
    x = 210,775,198,178.43/624,574.85
  6. Step 6: Final answer
    x = 337,469.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.